166
Views
5
CrossRef citations to date
0
Altmetric
Articles

Numerical investigation of the effects of some selected thermo-physical properties on products evolution and yields during biomass pyrolysis

ORCID Icon &
Pages 415-428 | Received 28 Sep 2016, Accepted 25 Nov 2016, Published online: 30 Dec 2016
 

ABSTRACT

Effects of some selected biomass thermo-physical properties (biomass density, biomass thermal conductivity and char thermal conductivity) on the evolution and yields of pyrolysis products have been investigated. Wood cylinders were modelled as porous solids. Transport, solid mass conservation, intra-particle pressure generation and energy conservation equations were coupled and simultaneously solved to simulate the pyrolysis process. The first-order implicit Euler method was used to solve solid mass conservation equations. The transport, energy conservation and intra-particle pressure generation equations were discretized by the finite volume method. The generated set of linear equations was solved using the tri-diagonal matrix algorithm. Effects of selected thermo-physical properties were investigated on weight loss history, products evolution, intra-particle temperature gradient and tar secondary reactions. Total yields of tar and gas were then estimated. Results show that the selected thermo-physical properties influence weight loss history, product evolution, tar intra-particle secondary reactions and total product yields. The study also revealed that biomass density has the highest effect on product evolution and yields during pyrolysis.

Disclosure statement

No potential conflict of interest was reported by the authors.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.